SILICA-BASED COMPOSITE POWDER FOR UV SHIELDING METHOD FOR PREPARING THE SAME AND COMPOSITON COMPRISING THE SAME

摘要

The present invention relates to a silica-based composite powder for ultraviolet shielding, and more particularly relates to a silica-based composite powder for porous silica; An inorganic ultraviolet blocking agent doped on the surface inside the pores of the porous silica; An organic UV blocking agent impregnated inside the pores of the porous silica; And a coating layer coated on the outer surface of the porous silica, a method for producing the silica-based composite powder, and a composition comprising the same.